M Gengar-EX #XY166

M Gengar-EX from XY Black Star Promos is currently trading around $302.70. Its 7-day movement is largely flat at 0.0%.

That is close to the 30-day average of $301.90. Its 90-day trading band runs between $286.02 and $302.70, producing a 6% range and low-volatility behavior.

The listed rarity for this print is Promo.

Current valuation lens: Short-term movement is stable (0.0% over 7 days), with price action clustered near recent averages. Observed 90-day bounds of $286.02 and $302.70 create a 6% band, matching a low-volatility profile.

Current value remains close to its 30-day mean ($301.90). Top-grade copies show substantial separation from raw: PSA 10 is pricing +2064% above the current raw benchmark.

PSA 9 is currently around $849.05, while PSA 10 is $6550.91.

M Gengar-EX appears in XY Black Star Promos, released in 2013. Core profile: Its card type is Pokémon.

The rarity label is Promo. Printed HP is 210.

Energy typing is Psychic. This card evolves from Gengar-EX.

Printed card effect: Mega Evolution rule: When 1 of your Pokémon becomes a Mega Evolution Pokémon, your turn ends. Pokémon-EX rule: When a Pokémon-EX has been Knocked Out, your opponent takes 2 Prize cards.

M Gengar-EX sits within a broader pool of M variants that can be compared by set, rarity, and price. Comparable entries in this snapshot: 2 cards, 1 distinct set.

Observed alternatives run from $212.01 to $525.00 (148% spread). The current card sits -18% versus the sampled alternative average of $368.50.

Notable alternatives include M Gengar-EX #35 (Phantom Forces) at $212.01 and M Gengar-EX #121 (Phantom Forces) at $525.00.

Release year for XY Black Star Promos is 2013. It belongs to the XY series.

The checklist contains 216 cards, placing it in a large expansion range. As of 2026, the set is 13 years old and fits a legacy-era profile.

In the XY Black Star Promos checklist, M Gengar-EX occupies position #XY166 as a Promo card.